/* ============================================================
   HEADER — Navegación fija + menú móvil + dots laterales
   ============================================================ */

/* — Header principal ————————————————————————————————————— */
#header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  padding-inline: clamp(1rem, 4vw, 3rem);
  transition: background var(--transition), backdrop-filter var(--transition), border-color var(--transition);
  border-bottom: 1px solid transparent;
}

/* Estado al hacer scroll: glassmorphism */
#header.scrolled {
  background: rgba(7, 3, 10, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

/* — Logo ————————————————————————————————————————————————— */
.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  transition: opacity var(--transition);
}
.nav-logo:hover { opacity: 0.85; }

.nav-logo img {
  height: 72px;
  width: auto;
  filter: drop-shadow(0 2px 10px rgba(212, 120, 154, 0.3));
  transition: height var(--transition);
}
#header.scrolled .nav-logo img { height: 56px; }

/* — Links de navegación (desktop) ———————————————————————— */
.nav-links {
  display: flex;
  align-items: center;
  gap: 2.4rem;
}

.nav-links a {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-muted);
  position: relative;
  padding-bottom: 4px;
  transition: color var(--transition);
}

/* Línea animada bajo el link */
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--brand), var(--mauve));
  border-radius: 1px;
  transition: width var(--transition);
}

.nav-links a:hover       { color: var(--brand-light); }
.nav-links a:hover::after{ width: 100%; }

/* Link activo (añadido por JS al hacer scroll) */
.nav-links a.active {
  color: var(--brand);
}
.nav-links a.active::after { width: 100%; }

/* — Hamburguesa (móvil) ——————————————————————————————————— */
.nav-toggle {
  display: flex;          /* visible por defecto; se oculta en desktop abajo */
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
  position: relative;
  z-index: 101;
}
.nav-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--fg);
  border-radius: 2px;
  transition: var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; width: 0; }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* — Panel de menú móvil — slide desde la derecha ————————— */
#nav-mobile {
  position: fixed;
  top: 0;
  right: 0;
  width: 280px;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 3rem 2.5rem;
  gap: 0;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  z-index: 99;
  transform: translateX(100%);
  visibility: hidden;
  pointer-events: none;
  transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              visibility 0s linear 0.4s;
}
#nav-mobile.open {
  transform: translateX(0);
  visibility: visible;
  pointer-events: auto;
  background: rgba(7, 3, 10, 0.97);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  background-image:
    radial-gradient(ellipse 100% 80% at 110% 50%, rgba(212,120,154,0.1) 0%, transparent 65%);
  box-shadow: -6px 0 40px rgba(0, 0, 0, 0.7);
  border-left: 1px solid rgba(212, 120, 154, 0.12);
  transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              visibility 0s linear 0s;
}

/* Desktop: ocultar panel móvil y hamburguesa; mostrar links */
@media (min-width: 769px) {
  #nav-mobile  { display: none; }
  .nav-toggle  { display: none; }
  .nav-links   { display: flex; }
}

/* Backdrop oscuro detrás del panel */
#nav-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  z-index: 98;
}
#nav-backdrop.visible { display: block; }

.nav-mobile-link {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-muted);
  padding: 1.1rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: color var(--transition), padding-left var(--transition);
  position: relative;
}
.nav-mobile-link::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 1px;
  background: var(--brand);
  transition: width var(--transition);
}
.nav-mobile-link:hover {
  color: var(--brand-light);
  padding-left: 1rem;
}
.nav-mobile-link:hover::before,
.nav-mobile-link.active::before { width: 0.6rem; }
.nav-mobile-link.active { color: var(--brand); }
.nav-mobile-link:last-child { border-bottom: none; }

/* — Dots de navegación lateral (generados por JS) ———————— */
#nav-dots {
  position: fixed;
  right: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.nav-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(240, 234, 238, 0.25);
  border: none;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), height var(--transition);
  padding: 0;
}
.nav-dot:hover {
  background: var(--brand-light);
  transform: scale(1.2);
}
.nav-dot.active {
  background: var(--brand);
  height: 24px;
  border-radius: 4px;
}

/* Tooltip del dot */
.nav-dot::before {
  content: attr(data-label);
  position: absolute;
  right: calc(100% + 10px);
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.nav-dot:hover::before { opacity: 1; }